PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cotton, tobacco, grain, meat, live stock, rice, fish, tar, pitch, turpentine, potash, timber, and other articles, are the means of the United States for procuring a balance of trade.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econlib.org